121.28.129.141
Classification: Malicious
121.28.129.141 is a malicious IP address. Reported by 3 threat sources, last seen 2026-09-02. Network: AS4837 China Unicom Hebei province network.
Current activity
- Known attacker — Seen launching attacks over the Internet.
- Open proxy — Provides anonymization that can hide an attacker.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| Proxy | IPWhois.io | 2026-04-23 18:15:32 | 2026-09-02 12:55:51 | anonymization proxy | |
| Mail Spammer | Barracuda | 2023-01-01 21:42:11 | 2026-09-02 12:55:51 | attacker malicious-activity | |
| Proxy | FireHOL | 2023-01-01 21:42:11 | 2025-10-07 05:57:27 | anonymization |
Tags
anonymizationWhois information
- AS name
- AS4837 China Unicom Hebei province network
- AS registry
- apnic
- AS date
- 2006-05-08 00:00:00
- AS CIDR
- 121.28.0.0/15
- CIDR
- 121.28.0.0/15
- Registrant
- China Unicom Hebei province network
- Address
- No.21,Financial Street Beijing,100033 P.R.China
- City
- Shijiazhuang
- Postal code
- 050051
- Country
- CN — China 🇨🇳
- Contact email
- [email protected], [email protected]
- First indexed
- 2023-01-01 21:42:11
- Last updated
- 2026-09-02 12:55:54
Malicious IPs in the same CIDR
121.28.199.78 121.29.149.147 121.29.84.71 121.29.84.62 121.29.84.157 121.28.129.141 121.29.84.130 121.29.149.249 121.29.149.83 121.29.149.220 121.29.178.234 121.29.149.231 121.29.149.229 121.29.84.69 121.29.84.171 121.29.178.5 121.29.178.147 121.29.84.162